Number | Date | Country | Kind |
---|---|---|---|
3615039 | May 1986 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3179614 | Edwards | Apr 1965 | |
4063984 | Critchley | Dec 1977 | |
4535115 | Bakshi et al. | Aug 1985 | |
4629777 | Pfeifer | Dec 1987 |
Number | Date | Country |
---|---|---|
0040042 | Nov 1981 | EPX |
0179604 | Apr 1986 | EPX |
1520767 | May 1972 | DEX |
1764977 | Dec 1976 | DEX |
58-152018 | Sep 1983 | JPX |
59-113035 | Jun 1984 | JPX |
1216505 | Dec 1970 | GBX |
2101149 | Jan 1983 | GBX |
Entry |
---|
"Patent Abstracts of Japan", Band 7, No. 273 (C-198) [1418], Dec. 6, 1983. |
"Patent Abstracts of Japan", Band 8, No. 232 (C-248) [1669], Oct. 25, 1984. |
Industry News, "Ultrapure Polyimide Spurs use in the Semiconductor Industry", reprinted from Semiconductor Int'l. 1/84, Dupont, 18 pages. |